MATLAB SIGNAL PROCESSING TOOLBOX 6 Bedienungsanleitung PDF herunterladen (Seite 54)

4 Filter Design with the FDATool GUI

4-16

Exporting Filters from FDATool

FDATool provides a simple way to create filter objects (dfilts) from your filter designs.

This is particularly useful for saving your filter design to the MATLAB workspace for use

with command line functions. You can also save your filters as MATLAB code by using

File > Generate MATLAB code to run in scripts or batch files.

In FDATool, click Filter Manager and highlight only the Bandpass

Butterworth-1 filter.

Select File > Export.

Set Export to to Workspace. Set Export as to Objects. In Discrete Filter type

Hd1. Click Export to export the first filter in your filter bank to an Hd1 dfilt object

in the workspace.

Repeat steps 1 through 3 for each of the remaining nine filters. Highlight each filter

individually to make it the active filter and change the Discrete Filter name to

match the filter number. When you finish you will have 10 dfilt objects in the

workspace.

Close FDATool by selecting File > Close.

On the MATLAB command line, verify that your objects were exported by using the

whos command.

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MATLAB SIGNAL PROCESSING TOOLBOX 6 Bedienungsanleitung Seite 54